Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 202,103
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     209,903
Calibration 2     203,483
Calibration 3     202,296
ssj_ops@calibrated=202,890
100% 99.6% 202,890 202,103
90% 89.9% 182,601 182,392
80% 79.6% 162,312 161,551
70% 69.3% 142,023 140,623
60% 60.0% 121,734 121,669
50% 50.0% 101,445 101,421
40% 39.5% 81,156 80,144
30% 29.9% 60,867 60,746
20% 20.2% 40,578 40,979
10% 9.9% 20,289 20,100
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,268,439 1,494
Payment 15,268,443
Order Status 1,526,845
Delivery 1,526,845
Stock Level 1,526,844
Customer Report 15,268,442
Calibration 2 New Order 14,799,095 1,494
Payment 14,799,083
Order Status 1,479,911
Delivery 1,479,908
Stock Level 1,479,910
Customer Report 14,799,088
Calibration 3 New Order 14,714,327 1,494
Payment 14,714,335
Order Status 1,471,434
Delivery 1,471,433
Stock Level 1,471,435
Customer Report 14,714,330
100% 99.6% New Order 14,699,058 1,494
Payment 14,699,052
Order Status 1,469,907
Delivery 1,469,908
Stock Level 1,469,905
Customer Report 14,699,056
90% 89.9% New Order 13,264,941 1,494
Payment 13,264,943
Order Status 1,326,494
Delivery 1,326,494
Stock Level 1,326,494
Customer Report 13,264,937
80% 79.6% New Order 11,750,552 1,494
Payment 11,750,556
Order Status 1,175,055
Delivery 1,175,056
Stock Level 1,175,057
Customer Report 11,750,549
70% 69.3% New Order 10,227,467 1,494
Payment 10,227,473
Order Status 1,022,749
Delivery 1,022,747
Stock Level 1,022,747
Customer Report 10,227,468
60% 60.0% New Order 8,849,579 1,494
Payment 8,849,587
Order Status 884,958
Delivery 884,957
Stock Level 884,958
Customer Report 8,849,584
50% 50.0% New Order 7,376,399 1,494
Payment 7,376,401
Order Status 737,640
Delivery 737,641
Stock Level 737,640
Customer Report 7,376,403
40% 39.5% New Order 5,828,725 1,494
Payment 5,828,725
Order Status 582,873
Delivery 582,872
Stock Level 582,873
Customer Report 5,828,728
30% 29.9% New Order 4,418,154 1,494
Payment 4,418,156
Order Status 441,816
Delivery 441,816
Stock Level 441,815
Customer Report 4,418,152
20% 20.2% New Order 2,980,300 1,494
Payment 2,980,296
Order Status 298,030
Delivery 298,029
Stock Level 298,030
Customer Report 2,980,299
10% 9.9% New Order 1,461,819 1,494
Payment 1,461,816
Order Status 146,182
Delivery 146,181
Stock Level 146,182
Customer Report 1,461,820
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0